IBDP Economics 4.2 Types of trade protection HL Paper 1- New Syllabus
Question
(a) Explain two types of trade protection. [10]
(b) Using real-world examples, evaluate the view that all countries should specialize and trade according to the theory of comparative advantage. [15]
Most-appropriate topic code (CED):
• TOPIC 4.1: Benefits of international trade (includes HL only subtopics and calculation)
▶️ Answer/Explanation
(a) Answer:
Trade protection refers to government policies that restrict or discourage imports in order to protect domestic producers from foreign competition. Two types of trade protection are tariffs and quotas.
1. Tariff: A tariff is a tax imposed on imported goods. When a tariff is imposed, the price of the imported good increases in the domestic market. This reduces the quantity demanded of imports and encourages consumers to purchase more domestically produced goods.
For example, if the world price of imported steel is lower than the domestic price, domestic consumers may purchase steel from foreign producers. A tariff raises the domestic price of imported steel, allowing domestic steel producers to increase their output. The government also receives tariff revenue.
Diagram explanation: A tariff diagram would show the domestic price increasing from the world price to the tariff-inclusive price. Domestic production increases, domestic consumption decreases and imports fall. The government receives tariff revenue, although consumer surplus falls.
2. Quota: A quota is a legal limit on the quantity of a particular good that can be imported into a country during a given period. By restricting the supply of imports, a quota reduces competition from foreign producers and allows domestic producers to increase their market share.
For example, if a government imposes a quota on imported agricultural products, the restricted supply of imports can increase the domestic market price. Domestic producers may respond by increasing their output, while domestic consumers purchase a smaller quantity of the good.
A quota diagram would show imports being restricted to a fixed quantity. The reduced availability of imports raises the domestic price above the free-trade price and increases domestic production while reducing domestic consumption.
Therefore, tariffs restrict imports by raising their price through taxation, while quotas restrict imports directly by limiting their quantity. Both forms of protection reduce foreign competition and provide greater protection for domestic producers, although they impose costs on consumers through higher prices and reduced choice.
(b) Answer:
Comparative advantage occurs when a country can produce a good or service at a lower opportunity cost than another country. The theory of comparative advantage suggests that countries should specialize in producing goods and services for which they have a comparative advantage and trade with other countries. This can increase total world output and allow countries to consume beyond their individual production possibilities.
Advantages of specialization according to comparative advantage
Specialization allows resources to be allocated towards industries in which countries have relatively lower opportunity costs. If countries specialize according to comparative advantage and then trade, the combined production of goods can increase compared with each country producing all goods independently.
A production possibility curve (PPC) can demonstrate this. If two countries have different opportunity costs, each country can specialize in the product for which it has the lower opportunity cost. Through trade, both countries can potentially consume at a point beyond their individual PPCs.
Specialization can also create economies of scale. When firms produce for a larger international market, they can increase their scale of production and spread fixed costs over a greater output. This can reduce average costs and make goods cheaper.
Free trade resulting from specialization can also increase competition. Domestic firms face pressure from foreign producers to reduce costs, improve productivity and innovate. Consumers may benefit from lower prices and greater choice.
For example, Bangladesh has developed a strong comparative advantage in labour-intensive garment production. Its specialization in clothing exports has allowed firms to access large international markets, generate export revenues and create substantial employment. International trade has therefore contributed to the expansion of the country’s manufacturing sector.
Specialization can also generate foreign exchange earnings. Export revenues provide countries with foreign currency that can be used to purchase imports such as capital goods, technology and raw materials. This can support investment and economic development.
However, the theory has important limitations.
The theory of comparative advantage is based on assumptions that may not hold in the real world. These include assumptions relating to the mobility of resources, technology, constant costs, full employment and relatively free trade. In reality, resources may not move easily between industries, technologies change and production costs may rise as specialization increases.
Over-specialization creates risks. If a country becomes highly dependent on a small number of primary commodities, a fall in world prices or a reduction in global demand can cause export revenues, employment and economic growth to fall significantly.
For example, countries that rely heavily on oil exports can experience major fluctuations in government revenue and economic activity when global oil prices fall. Therefore, specialization according to comparative advantage may increase vulnerability rather than guarantee stable economic development.
Specialization may also prevent economic diversification. Developing countries may have a comparative advantage in primary commodities because of their natural resources and relatively low labour costs. However, continuing to specialize in these products may make it difficult to develop higher-value manufacturing industries.
This creates the infant industry argument for temporary protection. A government may protect an emerging domestic industry from foreign competition through tariffs, quotas or subsidies. The industry may initially have a comparative disadvantage, but protection can allow it to develop economies of scale, skills and technology and potentially achieve comparative advantage in the long run.
For example, South Korea historically used government support and protection for selected industries while developing its manufacturing and export sectors. This suggests that temporary government intervention can sometimes help countries develop industries that may become internationally competitive rather than relying entirely on their existing comparative advantage.
Specialization can also have unequal effects between countries. If developing countries specialize primarily in low-value primary commodities while richer countries specialize in higher-value manufactured goods and services, the gains from trade may not be distributed equally. Developing countries may therefore seek diversification and industrial development rather than relying entirely on their current comparative advantage.
Real-world example: Many oil-exporting countries have benefited from specializing in oil because of their natural resource advantage. However, dependence on oil leaves these economies vulnerable to changes in global oil prices. This has encouraged countries such as the United Arab Emirates to pursue economic diversification into tourism, finance, logistics and other services.
Another limitation is adjustment costs. When a country specializes, resources may move away from declining industries. Workers who lose their jobs may not immediately possess the skills required in expanding industries. Therefore, specialization can cause structural unemployment in the short run even if it increases overall economic efficiency in the long run.
Overall evaluation: Comparative advantage provides a strong economic argument for specialization and international trade because it can increase efficiency, expand total production, generate economies of scale, lower prices and increase consumer choice. However, the statement that “all countries should” specialize according to comparative advantage is too absolute.
The benefits depend on the assumptions of the theory being reasonably satisfied and on the ability of economies to manage the adjustment costs of specialization. Countries that are highly dependent on a small number of commodities may face significant risks from price volatility, while developing economies may benefit from temporary protection and diversification to develop infant industries.
Therefore, specialization according to comparative advantage should generally be encouraged because it can generate substantial gains from trade, but it should not necessarily be followed without qualification by every country. Governments may have a legitimate role in supporting diversification and infant industries where there are strong long-term development objectives. The most appropriate approach is therefore likely to combine the efficiency gains from international trade with carefully targeted policies that address the risks and adjustment costs associated with specialization.
Question
(a) Explain why a dependence on primary sector production is often considered a barrier to economic growth and economic development. [10]
(b) Using real-world examples, discuss the view that trade protection is a more effective policy than free trade to promote employment and economic growth. [15]
Most-appropriate topic code (CED):
▶️ Answer/Explanation
(a) Answer:
The primary sector involves the extraction and production of raw materials, such as agricultural products, minerals, oil and other natural resources. Many developing economies depend heavily on primary products for employment, export earnings and government revenue. This dependence can act as a barrier to both economic growth and economic development.
A major problem is the price volatility of primary products. Prices of commodities such as agricultural products, oil and minerals can fluctuate substantially because of changes in world demand, weather conditions, harvests and global supply. As a result, countries that depend heavily on primary exports can experience large fluctuations in their export earnings.
Primary products often have relatively inelastic demand. This means that a change in price causes a proportionately smaller change in quantity demanded. Primary products may also have relatively inelastic supply in the short run because producers cannot quickly change the quantity produced, particularly in agriculture and extractive industries.
When demand for a primary product falls, its price may fall significantly. Because demand is relatively inelastic, the percentage fall in price can be greater than the percentage increase in quantity demanded. This can cause a substantial fall in the export revenue received by the country.
For a country heavily dependent on primary exports, falling export earnings can reduce national income and foreign exchange earnings. Lower incomes for producers can reduce employment and consumption, while governments may receive less tax revenue. Lower export earnings can also reduce the ability of the government to finance investment in infrastructure, education and healthcare, which are important components of economic development.
Dependence on primary production can also limit economic diversification. Resources and workers may remain concentrated in agriculture or extractive industries rather than moving into manufacturing and higher-value services. This may limit productivity growth and the development of human capital.
Furthermore, primary products often have relatively low levels of value added compared with manufactured and technologically advanced goods. A country that exports mainly raw materials may therefore capture a smaller share of the final value created in global production chains. This can make it more difficult to achieve sustained increases in productivity and living standards.
Therefore, dependence on primary sector production can act as a barrier to both economic growth and development because volatile primary-product prices can cause unstable export earnings, incomes and employment. Continued dependence may also restrict diversification, investment and improvements in productivity, making sustained economic growth and broader improvements in living standards more difficult.
(b) Answer:
Trade protection refers to government policies that restrict imports or give domestic producers an advantage over foreign competitors. Examples include tariffs, import quotas and subsidies to domestic producers. Free trade occurs when countries trade with relatively few government-imposed restrictions. The effectiveness of trade protection compared with free trade in promoting employment and economic growth depends on the circumstances of the economy.
One argument in favour of trade protection is that it can protect domestic employment. A tariff increases the price of imported goods, making domestic products relatively more competitive. Consumers may therefore switch from imported products to domestically produced goods. This increases demand for domestic firms, potentially increasing output and employment.
Trade protection can also be used to protect infant industries. A newly established domestic industry may initially have higher costs than established foreign firms because it has not yet achieved economies of scale or developed sufficient skills and technology. Temporary protection can give the industry time to expand, develop productive capacity and become internationally competitive.
Protection may also be used to increase self-sufficiency in strategically important industries. For example, governments may protect domestic food production to reduce dependence on imported food. Protection can therefore help maintain employment in sectors considered important for economic or national security.
However, protection does not necessarily create a net increase in employment. If imports become more expensive, domestic firms that rely on imported raw materials and components may face higher production costs. They may reduce output or employment as a result. In addition, foreign countries may retaliate by imposing their own trade barriers, reducing exports from the country that introduced protection and potentially causing job losses in export industries.
Trade protection may also have negative effects on economic growth. A tariff or quota reduces international competition and may allow domestic firms to operate with higher costs and lower efficiency. Consumers face higher prices and have fewer choices. Resources may therefore be allocated towards industries that are protected rather than industries in which the country has a comparative advantage.
Free trade provides an alternative mechanism for promoting economic growth. According to the principle of comparative advantage, countries can specialize in producing goods and services for which they have a lower opportunity cost and trade with other countries for products that they produce relatively less efficiently. This allows resources to be allocated more efficiently and can increase total world output.
Free trade can therefore expand markets for domestic firms. Firms can achieve greater economies of scale by producing for international markets, potentially reducing average costs and increasing productivity. Greater international competition can also encourage firms to innovate and improve efficiency.
For example, countries that have adopted relatively open trade policies have been able to integrate into global production networks and expand exports. Increased access to international markets can increase investment, employment and real output, contributing to long-term economic growth.
Free trade can nevertheless cause structural unemployment in some industries. Domestic firms that cannot compete with lower-cost foreign producers may reduce output or close, causing workers to lose their jobs. Therefore, while free trade may increase total economic output and employment in expanding industries, some workers and regions may lose employment in industries exposed to import competition.
Trade protection may therefore be justified in particular circumstances. For example, temporary protection of an infant industry may allow it to develop economies of scale and become internationally competitive. Protection may also be appropriate where a government seeks to address a serious trade deficit or protect an industry from unfair foreign competition.
However, protection can become inefficient if it is maintained for too long. Domestic firms may become dependent on government protection and have less incentive to innovate, reduce costs or improve productivity. This can reduce long-term economic growth. Consumers may also face persistently higher prices, reducing their real incomes.
Overall evaluation: Trade protection can be effective in maintaining employment in specific domestic industries and may support economic growth where it successfully develops infant industries, protects strategic industries or corrects particular market problems. However, these benefits depend heavily on the protection being appropriately targeted and potentially temporary.
Free trade is generally more likely to promote long-term economic growth when an economy can exploit comparative advantage, achieve economies of scale, increase competition and gain access to larger international markets. Although free trade can cause short-term unemployment in industries facing import competition, resources can move towards more productive sectors over time.
Therefore, trade protection is not necessarily more effective than free trade. Protection may be more effective for maintaining employment in particular industries or developing infant industries, while free trade is more likely to promote efficient resource allocation and sustained economic growth. The most effective approach depends on the country’s level of development, the industries involved, the duration of protection and the government’s ability to support workers moving between industries.
